package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo2 {
    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true","root","root");
        System.out.println("与数据库建立连接");
        Statement statement = connection.createStatement();

        String sql = "INSERT INTO userinfo(username,password,nickname,age) " +
                     "VALUES ('张三','123456','阿三',18)";
        int num = statement.executeUpdate(sql);//执行sql语句，返回受影响的行数   更新数据库表
        if (num>0){
            System.out.println("插入成功");
        }
        connection.close();
    }
}
